Question:

An equiconvex lens of focal length \( f \) is cut into four parts as shown in the diagram. The focal length of each part is

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For symmetric cutting of a lens, the focal length of each part is reduced by a factor of 2.
Updated On: Jan 22, 2025
  • \( \frac{f}{4} \)
  • \( \frac{f}{2} \)
  • \( \frac{f}{8} \)
  • \( f \)
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The Correct Option is B

Solution and Explanation

When an equiconvex lens is cut into parts, each part will have half the focal length of the original lens. This is because the focal length of a lens is inversely proportional to its curvature.
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